Bump @jupyterlab/apputils from 4.5.3 to 4.5.5 in /js

Bumps [@jupyterlab/apputils](https://github.com/jupyterlab/jupyterlab) from 4.5.3 to 4.5.5.
- [Release notes](https://github.com/jupyterlab/jupyterlab/releases)
- [Changelog](https://github.com/jupyterlab/jupyterlab/blob/main/RELEASE.md)
- [Commits](https://github.com/jupyterlab/jupyterlab/compare/@jupyterlab/apputils@4.5.3...@jupyterlab/apputils@4.5.5)

---
updated-dependencies:
- dependency-name: "@jupyterlab/apputils"
  dependency-version: 4.5.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

js/package.json

@@ -43,7 +43,7 @@
   },
   "dependencies": {
     "@jupyterlab/application": "^4.4.4",
-    "@jupyterlab/apputils": "^4.5.2",
+    "@jupyterlab/apputils": "^4.5.5",
     "@jupyterlab/notebook": "^4.4.2",
     "@jupyterlab/services": "^7.4.4",
     "@lumino/disposable": "^2.1.4"